Desktop computer system



FIG. 1 is a front and left side perspective view of a desktop computer system showing our design;

FIG. 2 is a front elevational view thereof on an enlarged scale;

FIG. 3 is a right side elevational view thereof on an enlarged scale;

FIG. 4 is a top plan view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale.

The ventilating slots are partially shown in FIGS. 1, 4 and 5 for convenience of illustration. 

The ornamental design of a desktop computer system, as shown and described. 